Spirax Sarco - Catalogo Agosto 2017

Description

The Fig 18HP is an alloy steel butt weld Y-type strainer with

flanged screen cover that has been designed in accordance with

ASME B16.34:2004 and ASME VIII. The standard stainless steel

screen in the DN15 to DN50 size range has 0.8 mm perforations

– See 'Optional extras' for alternative perforations/mesh sizes

and screen materials. If required, the strainer cover can be drilled

and tapped for blowdown and drain valves.

Standards

This product fully complies with the requirements of the European

Pressure Equipment Directive 97 / 23 / EC and carries the mark

when so required.

Certification

Materials

No. Body

1 Body

2 Cover

3 Cover gasket

4 Strainer screen

5 Cover studs

6 Cover nuts

This product is available with certification to EN 10204 3.1 and

NACE Approval.

Note: All certification / inspection requirements must be stated at

the time of order placement.

Sizes and pipe connections

DN15, DN20, DN25, DN32, DN40, DN50 (

1⁄2", 3⁄4", 1", 11⁄4", 11⁄2", 2")

Screwed BSP (BS21) and NPT (ASME B 1.20.1)

Socket weld ASME B 16.11 and BS 3799

Butt weld ASME B16.25 Schedule 160, Schedule 80 and

Schedule 40

7.7.17 Optional extras

The following optional extras are available for all unit sizes at an

extra cost and must be stated at the time of order placement:

0.8 mm (standard), 1 mm, 1.6 mm, 3 mm and 6mm

Perforations: Contact Spirax Sarco for availability of

perforations not displayed.

M20, M40, M60, M100, M200 and M400

Mesh:

Contact Spirax Sarco for availability of mesh

screens not displayed.

Screen

AISI 316, AISI 316L (standard), AISI 304,

material:

AISI 304L and Monel

Blowdown / drain valve connection

The cover can be drilled to the following sizes to enable a

blowdown or drain valve to be fitted. This option is available at

extra cost.

Material

Alloy steel

EN 10213: 1.7379 and

ASTM A217 WC9

EN 10213: 1.7379

and ASTM A217 WC9

Strainer size

DN15 - DN25

1⁄2"

DN32 - DN50

11⁄4"

Pressure / temperature limits

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Drain valve

1⁄2"

3⁄4"

AISI 316L

ASTM A193 Gr. B16

ASTM A194 Gr. 7

ASME 2500

431 bar g @ 38°C

538°C @ 154 bar g

-29°C

220 bar g @ 374°C

538°C @ 154 bar g

-29°C

Note: For lower operating temperatures consult Spirax Sarco

Designed for a maximum cold hydraulic test pressure of 646 bar g

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Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

Maximum operating pressure

for saturated steam service

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curve

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* PMO

TMO

Steam

saturation

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Maximum operating temperature

Minimum operating temperature

Blowdown valve

Pressure bar g

The product must not be used in this region.

Pipeline ancillaries

Strainers and filters

Fig 18HP

Alloy Steel

Strainer

TI-P162-03

ST Issue 1

Local regulations may restrict the use of this product to below the conditions quoted.

In the interests of development and improvement of the product, we reserve the right to change the specification without notice.

Stainless steel + Graphite

Stainless steel

Alloy steel